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Original Message
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| RE: You can go pretty big on lift. |
| By Gerry Proctor - 04/27/2004 6:41:45 AM; IP 207.133.188.254 |
As long as you have adequate lifter preload. But manufacturing tolerances being what they are, there's no one number that works for all engines.
My 390 had adequate preload with non-adjustable rockers with a 548/580 cam. I ran the engine that way while I was sorting out pushrod length for a set of adjustables. The adjustables weren't necessary for the cam but for the lifters. Using anti-pump up lifters require a very precise preload and you can't do that with non-adjustables. |
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